Belonging to the family of hammerhead sharks, it is a unique marine organism. Known for its unique head shape, the head is wide and flat, with one eye on each side, a feature known as a hammerhead or bun. This shape helps them achieve stereoscopic vision underwater and improves their hunting efficiency. Large in size, adult individuals can grow up to about 4 meters in length and weigh up to 500 kilograms. Mainly distributed in tropical and subtropical waters, especially in the warm waters of the Atlantic and Pacific oceans. It feeds on fish, squid, and other marine organisms and is an opportunistic predator. It is ovoviviparous, meaning that young sharks hatch in their mother's body and enter the ocean directly after birth.

Also known as the short snouted mackerel shark, it belongs to the family Scorpaenidae in the order Scorpaeniformes. It is a large oceanic shark known for its streamlined body and fast swimming ability. The body length can reach about 4 meters and the weight can reach 450 kilograms. Having a blue gray back and a white belly, this color combination helps them hide in the ocean. Mainly distributed in tropical and subtropical waters, it is a top predator that feeds on fish, squid, and other sharks. Known for its ability to chase prey at high speeds, it can reach speeds of up to 50 kilometers per hour in a short amount of time. The mode of reproduction is ovoviviparous, where the embryo develops within the mother's body and does not leave until birth.